Tehuantepec Forecast

November 10, 2025, 9:01 pm (UTC: -05:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...STORM WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
30 TO 45 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 13N94W TO
13N98W TO 11N100W TO 11N99W TO 11N95W TO 13N94W NE WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M.
.09 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 15N96W TO 14N96W TO
14N94W TO 15N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 40 TO 50 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
WITHIN 14N94W TO 15N96W TO 13N98W TO 11N100W TO 11N98W TO 12N95W
TO 14N94W NE WINDS 30 TO 40 KT. SEAS 5.5 TO 7.0 M. REMAINDER OF
AREA WITHIN 13N92W TO 15N93W TO 15N99W TO 10N103W TO 09N99W TO
10N95W TO 13N92W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.21 HOUR FORECAST WITHIN 14N94W TO 16N94W TO 16N96W TO 14N97W TO
12N99W TO 12N95W TO 14N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 35 TO 45 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 12N95W TO 12N99W TO 12N105W TO 10N106W TO
09N101W TO 10N97W TO 12N95W NE TO E WINDS 25 TO 35 KT. SEAS 4.0
TO 5.5 M. REMAINDER OF AREA WITHIN 13N91W TO 16N94W TO 15N101W TO
09N106W TO 07N95W TO 13N91W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N95W TO 16N94W TO
13N95W. TO 15N95W N TO NE WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M.
REMAINDER OF AREA WITHIN 08N92W TO 13N94W TO 11N114W TO 02N103W
TO 03N93W TO 08N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NE
SWELL.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
30 TO 45 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 13N94W TO
13N98W TO 11N100W TO 11N99W TO 11N95W TO 13N94W NE WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M.
.09 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 15N96W TO 14N96W TO
14N94W TO 15N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 40 TO 50 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
WITHIN 14N94W TO 15N96W TO 13N98W TO 11N100W TO 11N98W TO 12N95W
TO 14N94W NE WINDS 30 TO 40 KT. SEAS 5.5 TO 7.0 M. REMAINDER OF
AREA WITHIN 13N92W TO 15N93W TO 15N99W TO 10N103W TO 09N99W TO
10N95W TO 13N92W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.21 HOUR FORECAST WITHIN 14N94W TO 16N94W TO 16N96W TO 14N97W TO
12N99W TO 12N95W TO 14N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 35 TO 45 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 12N95W TO 12N99W TO 12N105W TO 10N106W TO
09N101W TO 10N97W TO 12N95W NE TO E WINDS 25 TO 35 KT. SEAS 4.0
TO 5.5 M. REMAINDER OF AREA WITHIN 13N91W TO 16N94W TO 15N101W TO
09N106W TO 07N95W TO 13N91W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO
35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N95W TO 16N94W TO
13N95W. TO 15N95W N TO NE WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M.
REMAINDER OF AREA WITHIN 08N92W TO 13N94W TO 11N114W TO 02N103W
TO 03N93W TO 08N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NE
SWELL.

GULF OF TEHUANTEPEC STORM WARNING: COLD, DRY AIR AND STRONG HIGH
PRESSURE ARE POOLING ACROSS SOUTHERN MEXICO AND THE WESTERN GULF
OF AMERICA, AND FUNNELING INTO THE GULF OF TEHUANTEPEC
CURRENTLY. THIS FOLLOWS A COLD FRONT THAT MOVED THROUGH THE AREA
OVERNIGHT. A RECENT SCATTEROMETER SATELLITE PASS INDICATED STRONG
GALES IN THE GULF OF TEHUANTEPEC, CONSISTENT WITH THE GFS MODEL
INITIALIZATION. THE SCATTEROMETER PASS SHOWS STRONG WINDS OR
GREATER ALREADY REACHING UP TO 360 NM TO THE S-SW OF SALINA CRUZ
AT THE SOUTHERN TERMINUS OF THE TEHUANTEPEC ISTHMUS. ALL
DETERMINISTIC MODELS ARE INDICATING GAP WINDS WILL INCREASE
FURTHER OVERNIGHT, AND IT IS PLAUSIBLE THE CURRENT STRONG GALES
WILL INCREASE TO MINIMAL STORM FORCE WINDS LATE THIS EVENING INTO
THE OVERNIGHT HOURS. WINDS AND SEAS WILL BEGIN TO SLOWLY
DIMINISH TUE AFTERNOON THROUGH WED MORNING BEFORE FALLING BELOW
GALE FORCE AROUND MIDDAY WED. STRONG WINDS ARE THEN EXPECTED TO
CONTINUE ACROSS THE GULF OF TEHUANTEPEC THROUGH FRI.
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR ADDITIONAL
INFORMATION ON THE GALE WARNING IN THE GULF OF TEHUANTEPEC.
FOR THE FORECAST, GAP WINDS ACROSS TEHUANTEPEC WILL DIMINISH
BELOW STORM FORCE EARLY TUE, BUT GALE FORCE WINDS WILL CONTINUE
TO PULSE ACROSS THE GULF OF TEHUANTEPEC INTO THU. WINDS AND SEAS
WILL DIMINISH FURTHER THROUGH SAT. FARTHER NORTH, A COLD FRONT
WILL MOVE ACROSS BAJA CALIFORNIA AND THE GULF OF CALIFORNIA LATE
THU THROUGH SAT. EXPECT FRESH TO STRONG SW GAP WINDS ACROSS THE
NORTHERN GULF OF CALIFORNIA AHEAD OF THE FRONT FRI. FRESH TO
STRONG NW WINDS AND ROUGH SEAS WILL FOLLOW THE FRONT OFF BAJA
CALIFORNIA LATE THU THROUGH SAT.

SWELL GENERATED FROM THE GALE-FORCE GAP WINDS OVER THE GULF OF
TEHUANTEPEC ARE STARTING TO REACH THE WATERS OFF NORTHWEST
GUATEMALA BEYOND 90 NM. FRESH NE TO E GAP WINDS AND SEAS TO 6 FT
MAY BE ONGOING ACROSS THE GULF OF PAPAGAYO, SUPPORTED BY HIGH
PRESSURE BUILDING NORTH OF THE AREA. GENTLE TO MODERATE BREEZES
AND MODERATE SEAS IN S SWELL ARE NOTED ELSEWHERE. SCATTERED
SHOWERS AND THUNDERSTORMS ARE ACTIVE ALONG THE PACIFIC COASTS OF
PANAMA AND COSTA RICA.
FOR THE FORECAST, FRESH TO STRONG GAP WINDS WILL PULSE EACH NIGHT AND
MORNING THROUGH MIDWEEK ACROSS THE PAPAGAYO REGION AS A COLD
FRONT SWEEPS THROUGH THE GULF OF AMERICA AND THE NW CARIBBEAN,
AND STRONG HIGH PRESSURE BUILDS NORTH OF THE FRONT. FRESH TO
LOCALLY STRONG N TO NE WINDS WILL BRIEFLY OCCUR ACROSS AND
DOWNWIND OF THE GULF OF FONSECA AND SOUTH OF EL SALVADOR TUE
NIGHT INTO MIDDAY WED. OFFSHORE OF GUATEMALA, EXPECT FRESH TO
LOCALLY STRONG N TO NE WINDS AND VERY ROUGH SEAS TONIGHT THROUGH
WED AS A SIGNIFICANT STORM FORCE WIND EVENT OCCURS IN THE GULF
OF TEHUANTEPEC. ROUGH SEAS WILL EXPAND SOUTHEASTWARD TO WELL
OFFSHORE OF EL SALVADOR AND GUATEMALA EARLY TUE INTO WED AND
PERSIST THROUGH FRI.

FOR THE FORECAST, THE MAIN FORECAST ISSUE EAST OF 110W WILL BE
THE PLUME OF WINDS AND SWELL GENERATED BY THE STORM-FORCE WIND
EVENT DEVELOPING OVER THE GULF OF TEHUANTEPEC, WITH FRESH TO
STRONG WINDS AND ROUGH SEAS EAST OF 110W FROM 02N TO 14N THROUGH
MID WEEK. THE OTHER IMPACTS TO SEAS ELSEWHERE ARE DESCRIBED
ABOVE IN THE SPECIAL FEATURES SECTION. LOOKING AHEAD, A COLD
FRONT WILL MOVE ACROSS THE WATERS NORTH OF 15N LATER IN THE WEEK.
STRONG WINDS AND AND ROUGH SEAS WILL FOLLOW THIS FRONT.

SHORT-TERM TEHUANTEPEC
TODAY - N 33-41, Seas SW 4.3-5.3 ft @ 14sec
TONITE - N 21-26, Seas N/A ?-? ft @ ?
WEDNESDAY - N 21-26, Seas N/A ?-? ft @ ?
WEDNESDAY NIGHT - N 18-23, Seas N/A ?-? ft @ ?

LONG-TERM TEHUANTEPEC
THURSDAY - N 18-23, Seas N/A ?-? ft @ ?
FRIDAY - N 20-25, Seas N/A ?-? ft @ ?
SATURDAY - NNW 9-11, Seas N/A ?-? ft @ ?
SUNDAY - S 6-8, Seas N/A ?-? ft @ ?
MONDAY - Not available yet